<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>队列示例</title>
  <link rel="stylesheet" href="style.css">
</head>
<body>
  <div id="screen"></div>
  <div class="actions">
    <button id="createNumber">取号</button>
    <button id="callButton">叫号</button>
  </div>
  <div>
    当前号码<span id="newNumber"></span>
  </div>
  <div>
    当前队列<span id="queue"></span>
  </div>

  <script src="main.js"></script>
</body>
</html>